CareerPlanSign in

Senior Data Scientist (m/f/d)

Germany🌐 Remote💼 Full-time🗓 2026-09-23 → 2026-09-25

Core

Build and improve machine-learning products operating at exceptional scale within the digital advertising ecosystem, handling billions of ad requests and users in real time.

Role type

Senior IC machine-learning engineer (ad-tech)

Builds

Scalable supervised and unsupervised learning algorithms, neural-network-based products, and monitoring solutions for programmatic advertising systems.

Domain

Digital advertising / Ad-Tech / Machine Learning

Deliverable

production ML models

Required skills

Python, Spark, Hadoop, Airflow, Docker, SQL, large-scale dataset handling, sparse data modeling, clustering, outlier detection, A/B testing design, neural networks (classification, regression, multi-task learning)

Preferred skills

Reinforcement learning, large-scale optimization

Technologies

Spark, Hadoop, Airflow, Docker, SQL

Responsibilities

Develop and maintain ML models for programmatic advertising; enhance models with new features and data sources; research and deploy scalable algorithms; explore data sources to improve performance; design and analyze A/B tests; build reproducible production code; develop monitoring dashboards and tools.

Seniority

Senior, hands-on IC

Sourced via lever · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.